Online Tools Studio
Seamlessly integrate AI into everyday life through user-friendly apps and extensions, enhancing productivity and efficiency
+30
Micro-products launched by our company
We develop projects that enhance productivity for our users
Since 2017
Weekly active users on our products
+1 000 000
About Us
We create simple computer applications and browser extensions that empower users to work smarter and increase productivity.
Our Products
AI Sidebar for Sheets
Integrates ChatGPT into Google Sheets, enabling AI-driven text generation and data analysis directly within your spreadsheets. It simplifies data work and automates tasks
from $10.99
HEIC to JPG
Drops HEIC files into clean JPGs in your browser, with adjustable quality and a single ZIP download.
from $3
YouTube to Text
Automatically converts audio from YouTube videos into text, making transcription easier. It’s perfect for saving time and working with YouTube content
from $10.99
AI Math Solver
Solves math problems step by step using AI, helping you understand calculations and formulas.
from $6
Epub Reader
Opens and reads EPUB files directly in your browser, making digital books easy to access without extra software.
from $1.89
Pixel Measurement
Drop a screenshot and measure distances, rectangles and element sizes with pixel-perfect precision.
from $5
Extract Text from Image
Extracts editable text from images using OCR technology, turning screenshots and photos into readable content.

from $3
Font Identifier
Detects fonts in screenshots and photos, suggesting the closest free Google Fonts you can use
from $2.99
Read to Me
Converts written content into natural-sounding speech, allowing you to listen any text
from $7.99
Product Promotion Lesson
Learn how to identify and leverage effective traffic channels for IT products in this practical lesson. Discover why Google Search promotion is the go-to strategy for indie developers and small teams
$20
Captain Builders Alumni
Expand your skills with targeted lessons on promoting and monetizing micro-products. Learn SEO, YouTube, Reddit, and Product Hunt strategies to boost visibility and attract users
$20
Captain Bootcamp
E-book on creating and launching a product in just 4 weeks, from idea to promotion. This practical guide skips the theory and focuses on actionable steps to build a fully launched product with real users.
$1420
Fell free to contact us:
I/E Igor Zuev – N3a, Zemo Plateau N33a, Varketili, Tbilisi, Georgia
Captain Software Limited – Unit B, 11/F, 23 Thomson Road, Wan Chai, Hong Kong SAR
info@onlinetools.studio
@
ONLINE TOOLS STUDIO